Java阳历转农历

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package nongli;import java.util.Calendar;import java.util.Date;public final class Lauar {    private static int monCyl, dayCyl, yearCyl;    private static int year, month, day;    private static boolean isLeap;    private static int[] lunarInfo = {0x04bd8, 0x04ae0, 0x0a570, 0x054d5,        0x0d260, 0x0d950, 0x16554, 0x056a0, 0x09ad0, 0x055d2, 0x04ae0,        0x0a5b6, 0x0a4d0, 0x0d250, 0x1d255, 0x0b540, 0x0d6a0, 0x0ada2,        0x095b0, 0x14977, 0x04970, 0x0a4b0, 0x0b4b5, 0x06a50, 0x06d40,        0x1ab54, 0x02b60, 0x09570, 0x052f2, 0x04970, 0x06566, 0x0d4a0,        0x0ea50, 0x06e95, 0x05ad0, 0x02b60, 0x186e3, 0x092e0, 0x1c8d7,        0x0c950, 0x0d4a0, 0x1d8a6, 0x0b550, 0x056a0, 0x1a5b4, 0x025d0,        0x092d0, 0x0d2b2, 0x0a950, 0x0b557, 0x06ca0, 0x0b550, 0x15355,        0x04da0, 0x0a5d0, 0x14573, 0x052d0, 0x0a9a8, 0x0e950, 0x06aa0,        0x0aea6, 0x0ab50, 0x04b60, 0x0aae4, 0x0a570, 0x05260, 0x0f263,        0x0d950, 0x05b57, 0x056a0, 0x096d0, 0x04dd5, 0x04ad0, 0x0a4d0,        0x0d4d4, 0x0d250, 0x0d558, 0x0b540, 0x0b5a0, 0x195a6, 0x095b0,        0x049b0, 0x0a974, 0x0a4b0, 0x0b27a, 0x06a50, 0x06d40, 0x0af46,        0x0ab60, 0x09570, 0x04af5, 0x04970, 0x064b0, 0x074a3, 0x0ea50,        0x06b58, 0x055c0, 0x0ab60, 0x096d5, 0x092e0, 0x0c960, 0x0d954,        0x0d4a0, 0x0da50, 0x07552, 0x056a0, 0x0abb7, 0x025d0, 0x092d0,        0x0cab5, 0x0a950, 0x0b4a0, 0x0baa4, 0x0ad50, 0x055d9, 0x04ba0,        0x0a5b0, 0x15176, 0x052b0, 0x0a930, 0x07954, 0x06aa0, 0x0ad50,        0x05b52, 0x04b60, 0x0a6e6, 0x0a4e0, 0x0d260, 0x0ea65, 0x0d530,        0x05aa0, 0x076a3, 0x096d0, 0x04bd7, 0x04ad0, 0x0a4d0, 0x1d0b6,        0x0d250, 0x0d520, 0x0dd45, 0x0b5a0, 0x056d0, 0x055b2, 0x049b0,        0x0a577, 0x0a4b0, 0x0aa50, 0x1b255, 0x06d20, 0x0ada0};    private static int[] solarMonth = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31,        30, 31};    private static String[] Gan = {"甲", "乙", "丙", "丁", "戊", "己", "庚", "辛",        "壬", "癸"};    private static String[] Zhi = {"子", "丑", "寅", "卯", "辰", "巳", "午", "未",        "申", "酉", "戌", "亥"};    private static String[] Animals = {"鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊",        "猴", "鸡", "狗", "猪"};    private static int[] sTermInfo = {0, 21208, 42467, 63836, 85337, 107014,        128867, 150921, 173149, 195551, 218072, 240693, 263343, 285989,        308563, 331033, 353350, 375494, 397447, 419210, 440795, 462224,        483532, 504758};    private static String[] nStr1 = {"日", "一", "二", "三", "四", "五", "六", "七",        "八", "九", "十"};    private static String[] nStr2 = {"初", "十", "廿", "卅", "　"};    private static String[] monthNong = {"正", "正", "二", "三", "四", "五", "六",        "七", "八", "九", "十", "十一", "十二"};    private static String[] yearName = {"零", "壹", "贰", "叁", "肆", "伍", "陆",        "柒", "捌", "玖"};    private Object LogFactory;    public Lauar() {    }    //====================================== 传回农历 y年的总天数      private static int lYearDays(int y) {        int i;        int sum = 348; //29*12        for (i = 0x8000; i > 0x8; i >>= 1) {            sum += (lunarInfo[y - 1900] & i) == 0 ? 0 : 1; //大月+1天          }        return (sum + leapDays(y)); //+闰月的天数      }    //====================================== 传回农历 y年闰月的天数      private static int leapDays(int y) {        if (leapMonth(y) != 0) {            return ((lunarInfo[y - 1900] & 0x10000) == 0 ? 29 : 30);        } else {            return (0);        }    }    //====================================== 传回农历 y年闰哪个月 1-12 , 没闰传回 0      private static int leapMonth(int y) {        return (lunarInfo[y - 1900] & 0xf);    }    //====================================== 传回农历 y年m月的总天数      private static int monthDays(int y, int m) {        return ((lunarInfo[y - 1900] & (0x10000 >> m)) == 0 ? 29 : 30);    }    //====================================== 算出农历, 传入日期物件, 传回农历日期物件      //                                      该物件属性有 .year .month .day .isLeap .yearCyl .dayCyl .monCyl      private static void Lunar1(Date objDate) {        int i, leap = 0, temp = 0;        Calendar cl = Calendar.getInstance();        cl.set(1900, 0, 31); //1900-01-31是农历1900年正月初一          Date baseDate = cl.getTime();        //1900-01-31是农历1900年正月初一          int offset = (int) ((objDate.getTime() - baseDate.getTime()) / 86400000); //天数(86400000=24*60*60*1000)          dayCyl = offset + 40; //1899-12-21是农历1899年腊月甲子日          monCyl = 14; //1898-10-01是农历甲子月          //得到年数          for (i = 1900; i < 2050 && offset > 0; i++) {            temp = lYearDays(i); //农历每年天数              offset -= temp;            monCyl += 12;        }        if (offset < 0) {            offset += temp;            i--;            monCyl -= 12;        }        year = i; //农历年份          yearCyl = i - 1864; //1864年是甲子年          leap = leapMonth(i); //闰哪个月          isLeap = false;        for (i = 1; i < 13 && offset > 0; i++) {            //闰月              if (leap > 0 && i == (leap + 1) && isLeap == false) {                --i;                isLeap = true;                temp = leapDays(year);            } else {                temp = monthDays(year, i);            }            //解除闰月              if (isLeap == true && i == (leap + 1)) {                isLeap = false;            }            offset -= temp;            if (isLeap == false) {                monCyl++;            }        }        if (offset == 0 && leap > 0 && i == leap + 1) {            if (isLeap) {                isLeap = false;            } else {                isLeap = true;                --i;                --monCyl;            }        }        if (offset < 0) {            offset += temp;            --i;            --monCyl;        }        month = i; //农历月份          day = offset + 1; //农历天份      }    private static int getYear() {        return (year);    }    private static int getMonth() {        return (month);    }    private static int getDay() {        return (day);    }    private static int getMonCyl() {        return (monCyl);    }    private static int getYearCyl() {        return (yearCyl);    }    private static int getDayCyl() {        return (dayCyl);    }    private static boolean getIsLeap() {        return (isLeap);    }    //============================== 传入 offset 传回干支, 0=甲子      private static String cyclical(int num) {        return (Gan[num % 10] + Zhi[num % 12]);    }    //====================== 中文日期      private static String cDay(int d) {        String s;        switch (d) {            case 10:                s = "初十";                break;            case 20:                s = "二十";                break;            case 30:                s = "三十";                break;            default:                s = nStr2[(int) (d / 10)];//取商                  s += nStr1[d % 10];//取余          }        return (s);    }    private static String cYear(int y) {        String s = " ";        int d;        while (y > 0) {            d = y % 10;            y = (y - d) / 10;            s = yearName[d] + s;        }        return (s);    }    public static String getLunar(String year, String month, String day) {        Date sDObj;        String s;        int SY, SM, SD;        int sy;        SY = Integer.parseInt(year);        SM = Integer.parseInt(month);        SD = Integer.parseInt(day);        sy = (SY - 4) % 12;        Calendar cl = Calendar.getInstance();        cl.set(SY, SM - 1, SD);        sDObj = cl.getTime();        //日期          Lunar1(sDObj); //农历          s = "农历 " + "【" + Animals[sy] + "】" + cYear(getYear()) + "年" + " ";        s += (getIsLeap() ? "闰" : "") + monthNong[getMonth()] + "月"+ (monthDays(getYear(), getMonth()) == 29 ? "小" : "大");        s += cDay(getDay()) + " ";        s += cyclical(getYearCyl()) + "年" + cyclical(getMonCyl()) + "月"+ cyclical(getDayCyl()) + "日";        return s;    }    public static void main(String[] args) {        System.out.println(getLunar("1990", "8", "26"));        System.out.println(getLunar("2008", "6", "8"));        System.out.println(getLunar("2009", "4", "3"));        System.out.println(getLunar("2011", "11", "22"));    }}
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